.page-disclaimer {
  --dsc-cut: 16px;
  --dsc-line: rgba(199, 208, 210, 0.14);
  display: block;
  background: var(--night);
  color: var(--silver);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .dsc-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 40px 0 50px;
  border-bottom: 1px solid var(--dsc-line);
}

.page-disclaimer .dsc-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-disclaimer .dsc-hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 32%;
  opacity: 0.55;
}

.page-disclaimer .dsc-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(102deg, rgba(8, 11, 10, 0.96) 0%, rgba(13, 43, 34, 0.84) 52%, rgba(8, 11, 10, 0.7) 100%),
    repeating-linear-gradient(90deg, rgba(0, 229, 196, 0.06) 0 1px, transparent 1px 92px);
}

.page-disclaimer .dsc-hero__inner {
  position: relative;
}

.page-disclaimer .dsc-hero h1 {
  margin: 14px 0 18px;
  max-width: 18ch;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(34px, 7vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-disclaimer .dsc-hero__lede {
  margin: 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--silver);
}

.page-disclaimer .dsc-hero__rule {
  width: min(340px, 62%);
  height: 2px;
  margin-top: 26px;
  background: linear-gradient(90deg, var(--gold), var(--cyan) 55%, transparent);
  transform: skewX(-18deg);
  transform-origin: left center;
}

/* ---------- 版面 ---------- */
.page-disclaimer .dsc-layout {
  padding: 52px 0 72px;
}

.page-disclaimer .dsc-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
}

/* ---------- 目录 ---------- */
.page-disclaimer .dsc-toc__sticky {
  position: relative;
}

.page-disclaimer .dsc-toc__card {
  position: relative;
  padding: 20px 18px 14px;
  background: var(--panel);
  clip-path: polygon(
    0 0,
    calc(100% - var(--dsc-cut)) 0,
    100% var(--dsc-cut),
    100% 100%,
    var(--dsc-cut) 100%,
    0 calc(100% - var(--dsc-cut))
  );
}

.page-disclaimer .dsc-toc__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 58px;
  height: 2px;
  background: var(--cyan);
}

.page-disclaimer .dsc-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--dim);
}

.page-disclaimer .dsc-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-disclaimer .dsc-toc__link {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  align-items: baseline;
  gap: 8px;
  padding: 10px 8px;
  border-bottom: 1px solid var(--dsc-line);
  color: var(--dim);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: color 0.18s ease, background-color 0.18s ease;
}

.page-disclaimer .dsc-toc__list li:last-child .dsc-toc__link {
  border-bottom: 0;
}

.page-disclaimer .dsc-idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-disclaimer .dsc-toc__link:hover,
.page-disclaimer .dsc-toc__link:focus-visible {
  color: var(--white);
  background: var(--cyan-08);
}

.page-disclaimer .dsc-toc__link[aria-current] {
  color: var(--white);
  background: var(--cyan-16);
}

.page-disclaimer .dsc-toc__link[aria-current] .dsc-idx {
  color: var(--lime);
}

/* ---------- 条款 ---------- */
.page-disclaimer .dsc-articles {
  min-width: 0;
}

.page-disclaimer .dsc-article {
  position: relative;
  padding: 30px 0 34px;
  border-top: 1px solid var(--dsc-line);
  scroll-margin-top: calc(var(--header-h) + 32px);
}

.page-disclaimer .dsc-article:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-disclaimer .dsc-article__head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 20px;
}

.page-disclaimer .dsc-article__num {
  flex: 0 0 auto;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--cyan-32);
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-disclaimer .dsc-article--key .dsc-article__num {
  border-bottom-color: rgba(255, 138, 61, 0.4);
  color: var(--gold);
}

.page-disclaimer .dsc-article__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(22px, 3.2vw, 30px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-disclaimer .dsc-article__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-disclaimer .dsc-article__main {
  min-width: 0;
}

.page-disclaimer .dsc-article__main p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--silver);
}

.page-disclaimer .dsc-article__main p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .dsc-list {
  list-style: none;
  display: grid;
  gap: 12px;
  margin: 18px 0 18px;
  padding: 0;
}

.page-disclaimer .dsc-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--silver);
}

.page-disclaimer .dsc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 11px;
  height: 2px;
  background: var(--cyan);
  transform: skewX(-18deg);
}

.page-disclaimer .dsc-article--key .dsc-list li::before {
  background: var(--gold);
}

/* ---------- 旁注 ---------- */
.page-disclaimer .dsc-aside {
  padding: 14px 0 0 16px;
  border-left: 2px solid var(--cyan-32);
  font-size: 13px;
  line-height: 1.78;
  color: var(--dim);
}

.page-disclaimer .dsc-aside__label {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

/* ---------- 折叠说明 ---------- */
.page-disclaimer .dsc-fold {
  margin-top: 20px;
  background: var(--ink);
  clip-path: polygon(
    0 0,
    calc(100% - 14px) 0,
    100% 14px,
    100% 100%,
    14px 100%,
    0 calc(100% - 14px)
  );
}

.page-disclaimer .dsc-fold > summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--white);
}

.page-disclaimer .dsc-fold > summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .dsc-fold > summary::before {
  content: "＋";
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan);
}

.page-disclaimer .dsc-fold[open] > summary::before {
  content: "－";
}

.page-disclaimer .dsc-fold__body {
  padding: 0 18px 18px;
  font-size: 14px;
  line-height: 1.82;
  color: var(--silver);
}

.page-disclaimer .dsc-fold__body p {
  margin: 0 0 10px;
}

.page-disclaimer .dsc-fold__body p:last-child {
  margin-bottom: 0;
}

/* ---------- 联系方式 ---------- */
.page-disclaimer .dsc-contact__list {
  list-style: none;
  display: grid;
  gap: 1px;
  margin: 18px 0 0;
  padding: 0;
  background: var(--dsc-line);
}

.page-disclaimer .dsc-contact__item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 14px 16px;
  background: var(--panel);
}

.page-disclaimer .dsc-contact__key {
  min-width: 62px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--dim);
}

.page-disclaimer .dsc-contact__val {
  min-width: 0;
  font-size: 15px;
  color: var(--white);
  overflow-wrap: anywhere;
}

/* ---------- 延伸入口 ---------- */
.page-disclaimer .dsc-next {
  margin-top: 52px;
  padding-top: 30px;
  border-top: 1px solid var(--dsc-line);
}

.page-disclaimer .dsc-next__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(20px, 2.4vw, 26px);
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-disclaimer .dsc-next__list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
}

.page-disclaimer .dsc-next__link {
  display: block;
  padding: 15px 16px;
  background: var(--ink);
  color: var(--white);
  font-size: 14px;
  line-height: 1.6;
  text-decoration: none;
  clip-path: polygon(
    0 0,
    calc(100% - 12px) 0,
    100% 12px,
    100% 100%,
    12px 100%,
    0 calc(100% - 12px)
  );
  transition: background-color 0.18s ease, color 0.18s ease;
}

.page-disclaimer .dsc-next__link:hover,
.page-disclaimer .dsc-next__link:focus-visible {
  background: var(--cyan-16);
  color: var(--cyan);
}

/* ---------- 回到顶部 ---------- */
.page-disclaimer .dsc-totop {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 20;
  padding: 10px 14px;
  background: var(--cyan);
  color: var(--night);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-decoration: none;
  clip-path: polygon(
    0 0,
    calc(100% - 10px) 0,
    100% 10px,
    100% 100%,
    10px 100%,
    0 calc(100% - 10px)
  );
}

.page-disclaimer .dsc-totop:focus-visible {
  outline: 2px solid var(--white);
  outline-offset: 2px;
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 1000px) {
  .page-disclaimer .dsc-grid {
    grid-template-columns: 272px minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }

  .page-disclaimer .dsc-toc__sticky {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }
}

@media (min-width: 1180px) {
  .page-disclaimer .dsc-article__body {
    grid-template-columns: minmax(0, 1fr) 216px;
    gap: 40px;
  }
}

/* ---------- 窄屏 ---------- */
@media (max-width: 640px) {
  .page-disclaimer .dsc-hero {
    padding: 26px 0 34px;
  }

  .page-disclaimer .dsc-hero__bg img {
    object-position: center 42%;
  }

  .page-disclaimer .dsc-hero h1 {
    max-width: none;
    margin: 12px 0 14px;
  }

  .page-disclaimer .dsc-hero__lede {
    font-size: 15px;
  }

  .page-disclaimer .dsc-layout {
    padding: 36px 0 60px;
  }

  .page-disclaimer .dsc-toc__card {
    padding: 16px 14px 10px;
  }

  .page-disclaimer .dsc-article {
    padding: 24px 0 28px;
  }

  .page-disclaimer .dsc-article__head {
    gap: 12px;
    margin-bottom: 16px;
  }

  .page-disclaimer .dsc-article__num {
    font-size: 18px;
  }

  .page-disclaimer .dsc-article__main p {
    font-size: 15px;
  }

  .page-disclaimer .dsc-list li {
    font-size: 14.5px;
  }

  .page-disclaimer .dsc-next {
    margin-top: 40px;
  }

  .page-disclaimer .dsc-totop {
    right: 12px;
    bottom: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dsc-toc__link,
  .page-disclaimer .dsc-next__link {
    transition: none;
  }
}